Multi-node distributed radio frequency wireless charging method
A wireless charging and distributed technology, applied in wireless communication, circuit devices, electrical components, etc., can solve the problems of energy waste in multi-energy node transmission, achieve user fairness, eliminate system resource overhead, and save hardware costs Effect
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[0031]The present invention will be further described below in conjunction with accompanying drawing.
[0032] A multi-node distributed radio frequency wireless charging method, comprising the following steps: (A) at the beginning of each power transmission time slot, each wireless terminal WD sends a signal to the energy node EN in turn to let EN know the current state of each WD The state of the battery stage; (B) each energy node EN sends a training sequence to the frequency sub-channel allocated to itself, and each wireless terminal WD estimates the gains of all sub-channels according to the training sequence; (C) each wireless terminal WD according to Its own battery power selects a certain amount of sub-channels for feedback; (D) Each energy node EN allocates the transmission power on its own sub-channels according to the received votes.
[0033] In the step (A), the battery status of each wireless terminal WD is sent to the energy node EN, the battery status is divided ...
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